应用GAMIT对加入长基线网的GPS数据解算精度分析.doc

密级：页数：xxxxxx毕业设计（论文）题目：应用GAMIT对加入长基线网的GPS数据解算精度分析学员姓名xxx学号xxxxxxxx所在单位xxxx指导教师xxx完成日期2012.6.15摘要GPS技术已在多学科各个领域有着很重要的应用，GPS相对定位精度己经达到。为了得到GPS数据较好的解算，GPS数据处理越来越受到重视。本文从数据处理的整个流程出发，探讨GAMIT软件的使用，并应用GAMIT软件处理中国区7个IGS站、3个网络基准站和3个新测点的三天的数据，研究GPS数据在没有已知点的情况下加入IGS基准站构成长基线网前后解算精度的变化，说明加入IGS基准站构成长基线网后对未知测站坐标解算的精度有所提高。索引关键词:GAMIT，GPS数据处理，长基线网，精度ABSTRACTGPStechnologyhasbeenusedinlotsoffields，andGPSrelativepositioningaccuracyhasbeenachievedthelevelof.InordertogettheGPSdatabettersolutiontocalculate,GPSdataprocessingmoreandmoreattentionto.ThisarticlefromthestartingfromthedataprocessingoftheentireprocesstoexploretheuseofGAMITsoftware,andapplicationGAMITsoftwaretohandlethesevenIGSstations,threenetworkbasestationandthreenewpoints-daydata,researchandGPSdatadoesnothaveaddIGSreferencestationtojointhecasethatapointconstitutealongbaselinesolverbeforeandafterchangesintheaccuracyoftheIGSreferencestationsconstitutealongbaselineunknownstationcoordinatessolveraccuracyimproved.Keywords:GAMIT,GPSdataprocessing,Longbaselinenets,accuracy目录目录·······························································Ⅰ摘要·······························································ⅡABSTRACT···························································Ⅱ绪论························································11.1选题背景···················································11.2GAMIT/GLOBK软件介绍·······································1第二章GAMIT软件的安装············································32.1GAMIT/GLOBK软件安装步骤···································32.2绘图工具的安装·····························4第三章数据解算····················································63.1观测数据文件和星历文件预准备·······························63.2参数表文件预准备···········································63.3数据准备···················································73.3数据处理···················································7第四章实验结果及分析··············································114.1处理方案··················································114.2解算结果及精度评定·····································